Information card for entry 1525586

Structure parameters

• Chemical name: Ca19 Al10.144 Mg Fe1.821 Si18 O69 (O H)9
• Formula: Al10.144 Ca19 Fe1.821 H9 Mg O78 Si18
• Calculated formula: Al10.144 Ca19 Fe1.821 H9 Mg O78 Si18
• Title of publication: "Rod" polytypism in vesuvianite: crystal structure of a low-temperature P4nc vesuvianite with pronounced octahderal cation ordering
• Authors of publication: Armbruster, T.; Gnos, E.
• Journal of publication: Schweizerische Mineralogische und Petrographische Mitteilungen
• Year of publication: 2000
• Journal volume: 80
• Pages of publication: 109 - 116
• a: 15.569 Å
• b: 15.569 Å
• c: 11.841 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 2870.19 ų
• Number of distinct elements: 7
• Space group number: 104
• Hermann-Mauguin space group symbol: P 4 n c
• Hall space group symbol: P 4 -2n
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No